:root {
  color-scheme: light dark;
  --brand-blue: #2563eb;
  --brand-green: #22c55e;
  --brand-dark: #0f172a;
  --slate-900: #0f172a;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --radius-xl: 28px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.08), transparent 45%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.08), transparent 40%),
    #f8fafc;
  color: var(--slate-900);
  line-height: 1.6;
  scroll-behavior: smooth;
  transition: background 0.4s ease, color 0.4s ease;
}

body.dark {
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 45%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.14), transparent 40%),
    #020617;
  color: #f8fafc;
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px clamp(20px, 8vw, 48px) 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 80px;
}

.toggles {
  display: flex;
  align-items: center;
  gap: 16px;
}

#theme-toggle {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--slate-700);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

#theme-toggle:focus-visible {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.lang-picker select {
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 10px 18px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.9);
  color: var(--slate-700);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.lang-picker select:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.hero {
  text-align: center;
  margin-bottom: 72px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(37, 99, 235, 0.12);
  color: var(--brand-blue);
  padding: 10px 18px;
  border-radius: 999px;
}

.hero h1 {
  margin: 24px 0 16px;
  font-size: clamp(2.5rem, 6vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--brand-dark);
}

.hero-subtitle {
  margin: 0 auto 28px;
  max-width: 680px;
  font-size: clamp(1.05rem, 2.6vw, 1.25rem);
  color: var(--slate-500);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  background: #ee4a62;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 20px 45px -20px rgba(238, 74, 98, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -18px rgba(238, 74, 98, 0.55);
}

.section-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: clamp(28px, 6vw, 44px);
  margin-bottom: 48px;
  box-shadow: 0 18px 38px -24px rgba(15, 23, 42, 0.25);
}

.section-heading h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 0;
  color: var(--brand-dark);
  font-weight: 700;
}

.section-heading p {
  margin: 12px 0 0;
  color: var(--slate-500);
  max-width: 640px;
}

.card-grid {
  display: grid;
  gap: 20px;
  margin-top: 32px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-card {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(37, 99, 235, 0.12);
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.06), rgba(255, 255, 255, 0.9));
  box-shadow: 0 16px 32px -24px rgba(37, 99, 235, 0.35);
}

.feature-card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  color: var(--brand-dark);
}

.feature-card p {
  margin: 0;
  color: var(--slate-500);
}

.timeline {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.timeline-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 24px;
  border-radius: 20px;
  border: 1px solid rgba(34, 197, 94, 0.18);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(255, 255, 255, 0.95));
}

.timeline-bullet {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #ee4a62;
  color: #fff;
  font-weight: 600;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 24px -16px rgba(238, 74, 98, 0.55);
}

.timeline-item h3 {
  margin: 0 0 6px;
  color: var(--brand-dark);
  font-size: 1.1rem;
}

.timeline-item p {
  margin: 0;
  color: var(--slate-500);
}

.highlight {
  margin-top: 56px;
  padding: clamp(32px, 6vw, 48px);
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(238, 74, 98, 0.95), rgba(14, 19, 36, 0.92));
  color: #fff;
  text-align: center;
  box-shadow: 0 28px 48px -26px rgba(15, 23, 42, 0.45);
}

.highlight h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  font-weight: 700;
}

.highlight p {
  margin: 0 auto 28px;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.85);
}

.highlight .form-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.highlight input[type='email'] {
  width: min(320px, 90vw);
  max-width: 100%;
  padding: 14px 18px;
  border-radius: 999px;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  background: #eef2ff;
  color: var(--brand-dark);
}

.highlight input[type='email']::placeholder {
  color: rgba(15, 23, 42, 0.45);
}

.highlight button {
  padding: 14px 28px;
  border-radius: 999px;
  border: none;
  background: #ee4a62;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.highlight button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -22px rgba(238, 74, 98, 0.4);
}

#form-message {
  margin-top: 18px;
  font-weight: 600;
  min-height: 1.2em;
}

#form-message.is-success {
  color: #e0f2fe;
}

#form-message.is-error {
  color: #fee2e2;
}

.site-footer {
  margin-top: 64px;
  text-align: center;
  color: var(--slate-500);
  font-size: 0.9rem;
}

.footer-links {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: currentColor;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--brand-blue);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body.dark .section-card,
body.dark .feature-card,
body.dark .timeline-item {
  background: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.24);
  box-shadow: 0 18px 44px -26px rgba(0, 0, 0, 0.6);
}

body.dark .feature-card h3,
body.dark .timeline-item h3,
body.dark .section-heading h2,
body.dark .hero h1 {
  color: #e2e8f0;
}

body.dark .feature-card p,
body.dark .timeline-item p,
body.dark .section-heading p,
body.dark .hero-subtitle,
body.dark .site-footer {
  color: rgba(203, 213, 225, 0.82);
}

body.dark .footer-links a:hover,
body.dark .footer-links a:focus-visible {
  color: #93c5fd;
}

body.dark .lang-picker select,
body.dark #theme-toggle {
  background: rgba(15, 23, 42, 0.7);
  color: #e2e8f0;
  border-color: rgba(148, 163, 184, 0.25);
}

body.dark .highlight input[type='email'] {
  background: rgba(226, 232, 240, 0.9);
  color: var(--brand-dark);
}

body.dark .policy-card {
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(148, 163, 184, 0.25);
  box-shadow: 0 24px 48px -28px rgba(15, 23, 42, 0.55);
}

body.dark .policy-toc {
  background: rgba(37, 99, 235, 0.12);
  border-color: rgba(148, 163, 184, 0.28);
}

body.dark .policy-toc a {
  color: #93c5fd;
}

body.dark .policy-card h1,
body.dark .policy-card h2,
body.dark .policy-card h3 {
  color: #e2e8f0;
}

body.dark .policy-card p,
body.dark .policy-card li,
body.dark .policy-meta {
  color: rgba(214, 226, 236, 0.85);
}

body.dark .policy-lang {
  color: rgba(226, 232, 240, 0.85);
}

body.dark .policy-lang select {
  background: rgba(15, 23, 42, 0.7);
  border-color: rgba(148, 163, 184, 0.25);
}

body.dark .policy-back {
  color: #93c5fd;
}

body.dark .policy-back:hover,
body.dark .policy-back:focus-visible {
  color: #bfdbfe;
}

.policy-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(28px, 6vw, 52px) clamp(20px, 6vw, 48px) 72px;
}

.policy-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.policy-brand {
  display: flex;
  align-items: center;
  gap: 20px;
}

.policy-logo {
  display: inline-flex;
  align-items: center;
}

.policy-logo img {
  height: 56px;
  width: auto;
}

.policy-controls {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.policy-back {
  color: var(--brand-blue);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.policy-back::before {
  content: '\2190';
  font-size: 0.95rem;
}

.policy-back:hover,
.policy-back:focus-visible {
  color: #1e40af;
}

.policy-lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--slate-700);
}

.policy-lang label {
  font-weight: 600;
}

.policy-lang select {
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  padding: 10px 18px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.92);
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.policy-lang select:focus-visible {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.policy-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 18px 36px -24px rgba(15, 23, 42, 0.2);
  padding: clamp(28px, 6vw, 48px);
}

.policy-card h1 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: var(--brand-dark);
}

.policy-card h2 {
  margin-top: 24px;
  margin-bottom: 8px;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--brand-dark);
}

.policy-card h3 {
  margin-top: 18px;
  margin-bottom: 6px;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--brand-dark);
}

.policy-card p,
.policy-card li {
  color: var(--slate-700);
}

.policy-card ul,
.policy-card ol {
  margin: 12px 0;
  padding-left: 22px;
}

.policy-toc {
  margin: 20px 0 28px;
  padding: 20px;
  background: rgba(37, 99, 235, 0.04);
  border-radius: 16px;
  border: 1px solid rgba(37, 99, 235, 0.12);
}

.policy-toc ol {
  margin: 0;
  padding-left: 18px;
  color: var(--slate-700);
}

.policy-toc a {
  color: var(--brand-blue);
  text-decoration: none;
}

.policy-toc a:hover,
.policy-toc a:focus-visible {
  text-decoration: underline;
}

.policy-meta {
  margin-bottom: 20px;
  color: var(--slate-500);
  font-size: 0.95rem;
}

.policy-section + .policy-section {
  margin-top: 24px;
  border-top: 1px solid rgba(15, 23, 42, 0.05);
  padding-top: 24px;
}

.policy-content[hidden] {
  display: none;
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .hero {
    text-align: left;
  }

  .hero-subtitle {
    margin-left: 0;
    margin-right: 0;
  }

  .highlight {
    text-align: left;
  }

  .highlight .form-group {
    flex-direction: column;
    align-items: stretch;
  }

  .highlight button {
    width: 100%;
  }

  .policy-wrapper {
    padding: 32px 20px 60px;
  }

  .policy-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .policy-controls {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px;
  }
}